离岸价格
获取最新报价450 ~ 600 / Tonne ( Negotiable )
|Minimum Order
位置:
-
最小订单价格:
最小订单:
5 Tonne
包装细节:
CARTON BOX
交货时间:
SHIPPED OUT 5-WORKING DAYS, DELIVERY WITHIN 20-30D
供应能力:
100 Tonne per Week
付款方式:
Western Union, Money Gram, Other
Nigeria
联系人 JEWUJI
Lagos, Lagos
Wet, empty bunches are partly dried in the sun and later used as fuel. Another economic use for the empty bunches is to return them to the plantation as a mulch to enhance moisture retention and organic matter in the soil.
The palm kernel shell is also used as a source of fuel for the boilers. Unfortunately the shell contains silicates that form a scale in the boilers if too much shell is fed to the furnace, thus limiting the amount of shell that can be utilised in the boilers. Residual shell is disposed of as gravel for plantation roads maintenance. Blacksmiths also buy the shells to use as fuel material in their casting and forging operations. Palm nut shell is also used in the preparation of pozzolana, a cement substitute material that has been developed by the Kwame Nkrumah University of Science and Technology, Kumasi, Ghana.
The fibre recovered from the nut/fibre separation stage is a good combustible material and finds ready use as fuel to boil the fruit. (Fig. *2) The fibre constitutes the bulk of material used to fire the large boilers used to generate superheated steam to drive turbines for electrical power generation in large-scale plants.
Boiler ash is recycled as fertilizer and factory floor cleaning agent. The potash in the ashes reacts with the oil to form a weak potash soap that is washed away with water.
Small-scale mills also use the fibre and bunch waste as fuel material. Most small-scale mills do not undertake the shelling of recovered palm nuts. The nuts are sold to palm kernel processors.
Small-scale palm kernel processors use clay baths to separate kernels from shells. The shells are normally left in a pile to dry. Some of the shells are used for fuel but there are always residual amounts found around the palm kernel processing centres. Periodically the pile is removed and used as landfill